cve-2026-18924

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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-18924.json"
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    "title": "curl: libcurl: Use-after-free in HTTP/2 Server Push with shared connections",
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      "cve": "CVE-2026-18924",
      "cwe": {
        "id": "CWE-825",
        "name": "Expired Pointer Dereference"
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      "discovery_date": "2026-09-06T17:51:03.812362+00:00",
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2529201"
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        {
          "category": "description",
          "text": "A flaw was found in libcurl's handling of HTTP/2 Server Push streams. When an application is configured to use HTTP/2 push with shared connections, a remote malicious server can trigger a use-after-free vulnerability during the cleanup process. This can lead to application instability or a denial of service.",
          "title": "Vulnerability description"
        },
        {
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          "text": "curl: libcurl: Use-after-free in HTTP/2 Server Push with shared connections",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-18924",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-18924"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18924",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18924"
        },
        {
          "category": "external",
          "summary": "https://curl.se/docs/CVE-2026-18924.html",
          "url": "https://curl.se/docs/CVE-2026-18924.html"
        },
        {
          "category": "external",
          "summary": "https://curl.se/docs/CVE-2026-18924.json",
          "url": "https://curl.se/docs/CVE-2026-18924.json"
        },
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          "summary": "https://hackerone.com/reports/3916059",
          "url": "https://hackerone.com/reports/3916059"
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      "release_date": "2026-09-06T17:47:27.820000+00:00",
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          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
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      "title": "curl: libcurl: Use-after-free in HTTP/2 Server Push with shared connections"
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